 class People {

   float hello(int a,int b) {

      return a+b;

   }

   float hello(long a,int b) {

      return a-b;

   }

   double hello(double a,int b) {

      return a*b;

   }

}

public class Example4_12 {

    public static void main(String args[]) {

      People tom = new People();

      System.out.println(tom.hello(10,20));

      System.out.println(tom.hello(10L,20));

      System.out.println(tom.hello(10.0,20));

   }

}
